K 10 svn:author V 3 phk K 8 svn:date V 27 2000-12-29T09:55:40.000000Z K 7 svn:log V 187 CIRCLEQs are a disgrace to everything Knuth taught us in Volume 1 Chapter 2. Retire them before anybody starts to use them again. Use TAILQ instead, it provides the same functionality. END